1, buy jade, pay attention to some details: 1, actually try it on, and choose the most suitable size and thickness. 2. Look carefully through the lighting, and there can be no destructive defects such as cracks. 3. It is best to choose jade jewelry with high transparency and good clarity. 4. If colored, the color should be bright and evenly distributed.

2. Observe its cross section with a magnifying glass. For some jadeites with cuts, you can look at the cuts with a high magnification magnifying glass. There will be obvious irregular broken lines on the section of real jade, and the delicate internal structure can also be seen.

3. Pay attention to the purchase of jade: fidelity, jade quality, shape and cost performance.

4. Pay attention to the following details when choosing a jade bracelet: The most appropriate way to choose the size of a jade bracelet is to actually try it on. According to the wearing effect, choose the bracelet style suitable for wrist and ring size, put it on and take it off, stretch freely and don't shake. High transparency, good clarity, clear texture and radiant.

Finally, the physical and chemical properties of jadeite are stable, and it is not easy to change the original color. What should I pay attention to when buying jade? 1 Look at the color. See if the color is pure, rich and uniform, and use a spotlight flashlight to check whether there are hidden variegated colors. Rich, pure and uniform color, less impurities.

6, buy jade jewelry, pay attention to the following details: 1, high transparency, good clarity, transparent texture, radiant. 2, beautifully carved, beautiful shape, comfortable to wear, regular size. 3. If you color, the color must be bright and evenly distributed, preferably full color distribution. 4. Observe carefully through the light, and there shall be no destructive defects such as cracks.

Do all A jadeites have certificates? No. Is it fake?

1. Jade certificate issued by national authority, and one of its appraisal results. If it is not natural A-grade jadeite, the result is only "jadeite", and the words "A-grade jadeite" and "natural" will not be marked. Only natural A goods will issue the certificate of "Jade" result.

2. Not necessarily. Emerald with certificate is not necessarily true. Although when buying jade, in order to have a sense of security and convince consumers, merchants are generally required to issue authoritative jade appraisal certificates.

3. All three things are not necessarily true, and none is absolutely false. All certificates have identification subjects. For example, ngtc is the National Jewelry Quality Supervision and Testing Center, and gtc is the Guangdong Jewelry Precious Metal Testing Center. On the front of the certificate, only jewelry and jade appraisal certificate is false.

4. To verify the authenticity of Jade Bracelet A, you can go to official website to check the certificate code. The information on the genuine jade bracelet in official website is exactly the same as the certificate, while the fake jade bracelet will be found without trace or with different information.

Is it illegal for natural A jadeite to have no inspection certificate?

Yes, all emeralds have certificates. Emerald without certificate may be real or fake.

So this kind of situation will actually happen. If this piece of jade has no certificate, it can almost be concluded that it is fake.

Not necessarily. Emerald with certificate is not necessarily true. Although when buying jade, in order to have a sense of security and convince consumers, merchants are generally required to issue authoritative jade appraisal certificates.

First of all, jadeite without certificate is not necessarily fake. If it is bought in a regular business, there should be no problem. If you still have questions, you can consider the local national authoritative qualification accreditation body for a second interview. These institutions can identify your jade bracelet.

Jade without manual pickling, glue injection, dyeing and other unconventional treatments can be issued with a national inspection certificate. All jade articles have been artificially polished and carved, so they can't be pure natural. If you blindly pursue pure nature, you can only go to Myanmar mining area to dig jadeite original stone.

Take jadeite as an example. When testing jadeite commodities, certificates of jadeite A and jadeite (treatment) can be issued. There are also many varieties of jadeite (processed), and the word (processed) is generally indicated on the national appraisal certificate.

How is the certificate of jadeite made? How can jadeite have a certificate?

Submitting for inspection: The first step in making jadeite certificate is to submit for inspection, bring valid identity documents to the testing center, and go through the formalities of submitting for inspection at the "Personal Entrustment window" of the testing center.

The absorption spectrum of jadeite is determined by infrared spectrum. A jadeite has its own characteristic absorption spectrum. If obvious resin absorption band is found in the measured absorption spectrum, it can be concluded that it is B jadeite. This is an effective method to identify B grade jadeite.

Look at the steel seal: according to the national regulations, the seal stamped on the real jade appraisal certificate must be steel seal, and this steel seal feels concave and convex, not flat. Official website query: Check the official website of the corresponding institution on official website to see if it is consistent with the description in the certificate.